JCR Shell is a shell interface to manage JCR repositories like Apache Jackrabbit, Hippo CMS 7, and other JCR 1.0 (JSR 170) capable repositories. It uses RMI to communicate with the server. It features tab completion on names, types, and properties, the ability to import and export XML, a JCR diff tool, queries, reference lookups, and namespace management.
repositor.io is a tool for creating and managing Linux repositories. It can mirror online repositories so that you don't need to download packages every time you set up a new server, and it makes it easy to create custom repositories for your own packages. With the integration of a configuration management tool, you can create consistent installations on your servers.